Behavioral task
behavioral1
Sample
2024-05-10_74f34936ecca85f2caabf426e3cc20b2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-10_74f34936ecca85f2caabf426e3cc20b2_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-10_74f34936ecca85f2caabf426e3cc20b2_cryptolocker
-
Size
86KB
-
MD5
74f34936ecca85f2caabf426e3cc20b2
-
SHA1
e17139759eaba40250213c9f2ac7a75925788df9
-
SHA256
f7283292159089d013f87abac0f4cabad637e52c67d7d4e469e0c95e76cd8891
-
SHA512
5d5353273995d4acac2e5df9c3bb9fbf2f2790adc2e9c1e29596ec8698c531f81e747e163f106eb38f68588431835beed472dabde0949cc42247de0427066182
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5RE:T6a+rdOOtEvwDpjNx
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-10_74f34936ecca85f2caabf426e3cc20b2_cryptolocker
Files
-
2024-05-10_74f34936ecca85f2caabf426e3cc20b2_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE